Tukey Lambda - Key Values
Distribution (lambda)	Correlation
Approx. Cauchy (lambda=-1)	0.63877856361511
Exact Logistic (lambda=0)	0.833414255585125
Approx. Normal (lambda=0.14)	0.842815297521758
U-shaped (lambda=0.5)	0.854790771108135
Exactly Uniform (lambda=1)	0.85983569656257